feat: made library code and library test code

lesson_09/oop/oop_app/src/main/java/com/codedifferently/lesson9/KyvonThompsonlesson09/Book.java

@@ -0,0 +1,79 @@
+package com.codedifferently.lesson9.KyvonThompsonlesson09;
+
+public class Book {
+  // Book Characteristics
+  private Boolean checkedOut;
+  private String authors;
+  private String title;
+  private int pageNumber;
+  private float isbn;
+
+  // Book Constructor
+  public Book(Boolean checkedOut, String authors, String title, int pageNumber, float isbn) {
+
+    this.checkedOut = checkedOut;
+    this.authors = authors;
+    this.title = title;
+    this.pageNumber = pageNumber;
+    this.isbn = isbn;
+  }
+
+  // Getter for whether it was checked out
+  public Boolean getCheckedOut() {
+    return checkedOut;
+  }
+
+  // Setter for whether it was checked out
+  public void setCheckedOut(Boolean checkedOut) {
+    this.checkedOut = checkedOut;
+  }
+
+  // Getter for author(s) of the book
+  public String getAuthors() {
+    return authors;
+  }
+
+  // Setter for author(s) of the book
+  public void setAuthors(String authors) {
+    this.authors = authors;
+  }
+
+  // Getter for book title
+  public String getTitle() {
+    return title;
+  }
+
+  // Setter for book title
+  public void setTitle(String title) {
+    this.title = title;
+  }
+
+  // Getter for the # of pages
+  public int getPageNumber() {
+    return pageNumber;
+  }
+
+  // Setter for the # of pages
+  public void setPageNumbers(int pageNumber) {
+    this.pageNumber = pageNumber;
+  }
+
+  // Getter for the isbn
+  public float getIsbn() {
+    return isbn;
+  }
+
+  // Setter for isbn
+  public void setIsbn(float isbn) {
+    this.isbn = isbn;
+  }
+
+  public boolean checkOut() {
+    throw new UnsupportedOperationException("Unimplemented method 'checkOut'");
+  }
+
+  public void returnBook() {
+
+    throw new UnsupportedOperationException("Unimplemented method 'returnBook'");
+  }
+}

lesson_09/oop/oop_app/src/main/java/com/codedifferently/lesson9/Library.java

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+package com.codedifferently.lesson9;
+
+import com.codedifferently.lesson9.KyvonThompsonlesson09.Book;
+import java.util.ArrayList;
+
+public class Library {
+  ArrayList<Book> books;
+  ArrayList<Patron> patrons;
+
+  public Library() {
+    this.books = new ArrayList<>();
+    this.patrons = new ArrayList<>();
+  }
+
+  public void addBook(Book book) {
+    books.add(book);
+  }
+
+  public void removeBook(Book book) {
+    books.remove(book);
+  }
+
+  public void registerPatron(Patron patron) {
+    patrons.add(patron);
+  }
+
+  public boolean checkOutBook(Patron patron, Book book) {
+    if (books.contains(book) && patron.checkOutBook(book)) {
+      books.remove(book);
+      return true;
+    } else {
+      return false;
+    }
+  }
+
+  public boolean returnBook(Patron patron, Book book) {
+    if (patron.returnBook(book)) {
+      books.add(book);
+      return true;
+    } else {
+      return false;
+    }
+  }
+
+  public ArrayList<Book> getBooks() {
+    // TODO Auto-generated method stub
+    throw new UnsupportedOperationException("Unimplemented method 'getBooks'");
+  }
+}

lesson_09/oop/oop_app/src/main/java/com/codedifferently/lesson9/Patron.java

@@ -0,0 +1,65 @@
+package com.codedifferently.lesson9;
+
+import com.codedifferently.lesson9.KyvonThompsonlesson09.Book;
+import java.util.ArrayList;
+
+public class Patron {
+  // Patron information
+  private String patronName;
+  private ArrayList<Book> checkedOutBooks; // It's good practice to make fields private
+
+  // Patron constructor
+  public Patron(String patronName) {
+    this.patronName = patronName;
+    this.checkedOutBooks = new ArrayList<>();
+  }
+
+  // Getter for the Patron's name
+  public String getPatronName() {
+    return patronName;
+  }
+
+  // Setter for Patron's name
+  public void setPatronName(String patronName) {
+    this.patronName = patronName;
+  }
+
+  // Getter for the books the patron has checked out
+  public ArrayList<Book> getCheckedOutBooks() {
+    return checkedOutBooks;
+  }
+
+  // Method to add a book to the checkedOutBooks list
+  public void addBook(Book book) {
+    checkedOutBooks.add(book);
+  }
+
+  // Method to remove a book from the checkedOutBooks list
+  public boolean removeBook(Book book) {
+    return checkedOutBooks.remove(book);
+  }
+
+  // Optionally, if you really need a setter for replacing the whole list
+  public void setCheckedOutBooks(ArrayList<Book> checkedOutBooks) {
+    this.checkedOutBooks = checkedOutBooks;
+  }
+
+  public boolean checkOutBook(Book book) {
+    if (book.checkOut()) {
+      checkedOutBooks.add(book);
+      return true;
+    } else {
+      return false;
+    }
+  }
+
+  public boolean returnBook(Book book) {
+    if (checkedOutBooks.contains(book)) {
+      checkedOutBooks.remove(book);
+      book.returnBook();
+      return true;
+    } else {
+      return false;
+    }
+  }
+}

lesson_09/oop/oop_app/src/test/java/com/codedifferently/lesson9/Booktest.java

@@ -0,0 +1,33 @@
+package com.codedifferently.lesson9;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+
+import com.codedifferently.lesson9.KyvonThompsonlesson09.Book;
+import org.junit.jupiter.api.Test;
+
+public class Booktest {
+
+  /** Test class for the {@link com.codedifferently.lesson9.LibraryManagementSystem.Book} class. */
+  class BookTest {
+
+    /** Test the constructor of the Book class. */
+    @Test
+    public void testBookConstructor() {
+      // Arrange
+      Boolean checkedOut = false;
+      String authors = "Frank Miller";
+      String title = "The Dark Knight Returns";
+      int pageNumber = 250;
+      float isbn = (float) 18.9595;
+
+      // Act
+      Book book = new Book(checkedOut, authors, title, pageNumber, isbn);
+
+      // Assert
+      assertEquals(title, book.getTitle());
+      assertEquals(isbn, book.getIsbn());
+      assertEquals(authors, book.getAuthors());
+      assertEquals(pageNumber, book.getPageNumber());
+    }
+  }
+}

lesson_09/oop/oop_app/src/test/java/com/codedifferently/lesson9/Librarytest.java

@@ -0,0 +1,56 @@
+package com.codedifferently.lesson9;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+
+import com.codedifferently.lesson9.KyvonThompsonlesson09.Book;
+import org.junit.jupiter.api.Test;
+
+public class Librarytest {
+  private Library library;
+  private Book book;
+  private Patron patron;
+
+  @Before
+  public void setUp() {
+    library = new Library();
+    book = new Book(true, "Frank Miller", "The Dark Knight Returns", 250, (float) 18.9595);
+    library.addBook(book);
+    patron = new Patron("John Doe");
+    library.registerPatron(patron);
+  }
+
+  @Test
+  public void testAddBook() {
+    assertEquals(1, library.getBooks().size());
+    assertEquals(book, library.getBooks().get(0));
+  }
+
+  @Test
+  public void testRemoveBook() {
+    library.removeBook(book);
+    assertEquals(0, library.getBooks().size());
+  }
+
+  @Test
+  public void testCheckOutBook() {
+    library.checkOutBook(patron, book);
+    assertTrue(book.getCheckedOut());
+    assertTrue(patron.getCheckedOutBooks().contains(book));
+  }
+
+  private void assertTrue(boolean contains) {
+    throw new UnsupportedOperationException("Unimplemented method 'assertTrue'");
+  }
+
+  @Test
+  public void testReturnBook() {
+    library.checkOutBook(patron, book);
+    library.returnBook(patron, book);
+    assertFalse(book.getCheckedOut());
+    assertFalse(patron.getCheckedOutBooks().contains(book));
+  }
+
+  private void assertFalse(Boolean checkedOut) {
+    throw new UnsupportedOperationException("Unimplemented method 'assertFalse'");
+  }
+}

lesson_09/oop/oop_app/src/test/java/com/codedifferently/lesson9/kyvonthompson test.java

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+public class kyvonthompson test {
+
+}